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WO2020007409A1 - Serrure de véhicule à moteur munie d'un dispositif de fermeture - Google Patents

Serrure de véhicule à moteur munie d'un dispositif de fermeture Download PDF

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Publication number
WO2020007409A1
WO2020007409A1 PCT/DE2019/100600 DE2019100600W WO2020007409A1 WO 2020007409 A1 WO2020007409 A1 WO 2020007409A1 DE 2019100600 W DE2019100600 W DE 2019100600W WO 2020007409 A1 WO2020007409 A1 WO 2020007409A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
closing
rotary latch
drive
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2019/100600
Other languages
German (de)
English (en)
Inventor
Manuel REUSCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Priority to US17/256,086 priority Critical patent/US11970887B2/en
Priority to EP19742279.3A priority patent/EP3818223B1/fr
Publication of WO2020007409A1 publication Critical patent/WO2020007409A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/26—Output elements
    • E05B81/30—Rotary elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/56—Control of actuators
    • E05B81/62—Control of actuators for opening or closing of a circuit depending on electrical parameters, e.g. increase of motor current
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/72—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition
    • E05B81/74—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition by sensing the state of the actuator
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/26—Cooperation between bolts and detents
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E05B79/20—Connections between movable lock parts using flexible connections, e.g. Bowden cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0851—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load for motors actuating a movable member between two end positions, e.g. detecting an end position or obstruction by overload signal

Definitions

  • the invention relates to a lock for a motor vehicle having a locking mechanism consisting of a rotary latch and at least one pawl, a closing device with an electric drive, the locking device being able to be moved from an opening position, in particular a pre-locking position, into at least one main locking position by means of the locking device and a control unit for the pulling drive, wherein a pulling process can be prevented as a function of a measured variable of the pulling drive.
  • DE 101 40 365 A1 relates to a servo lock holder for a motor vehicle door lock, the term “servo lock holder” being used for a lock holder in which there is an automatic closing.
  • a locking bolt of the motor vehicle door lock is attached to an adjustable actuating swivel a drive for the Actuate the is supply oscillator are provided.
  • the drive transfers the beschreibungsschwinger with the locking pin, and a said striker comprising a rotary latch and consequently to associated door from a first position Se ttings motor in a main catch Se ttings.
  • an additional locking lever ensures there for that the actuation transducer for manual Mattern tion of the door from the first position Se ttings in the main latching position in this position is held.
  • a closing device lock holder are generally used in all conceivable doors on a motor vehicle. It is conceivable not only to apply side doors, but also trunk lids, tailgates or bonnets and is included in the scope of the invention. With the help of the realized in this way, the door closing device concerned or vehicle door from the first position already sprochenen a seal S can now be tellung Gert verla in the primary position Se ttings against the resistance of, for example.
  • a closing device is the subject of DE 198 28 040 B4.
  • This is a power-assisted locking device for doors, Flaps, hoods or roofs of motor vehicles and in particular passenger cars, in which a pivotable stop element is arranged on a rotary latch.
  • the pawl interacting with the rotary latch also has a pivotable stop element.
  • the two stop elements interact with a control disc during the opening or closing process.
  • the control disc is part of an actuator, with the help of which both an opening and a closing process can be effected.
  • a lock for a motor vehicle is known, aufwei send a locking mechanism comprising a rotary latch and a pawl, a closing device, and an electric drive, wherein the pinch at least partially performed with means of a motor S chlusses.
  • the closing device acts directly on the rotary latch and transfers the rotary latch from a pre-locking position to a main locking position.
  • a sensor arranged on the rotary latch detects at least one position of the rotary latch and preferably the main catch position, so that closing can be ended or stopped.
  • the force exerted when closing is monitored.
  • the monitoring of the force is carried out by means of a detection of the current increase, the current increase being a measure of the proper sequence of the closing process, and can be used as a control means.
  • a malfunction or a pinch is caused by an over- detected high current, so that an interruption, disengagement of the closing drive and / or reversing of the closing drive can be initiated.
  • a motor vehicle drive arrangement is also known, with a drive member and an abutment, further with at least one spring between the drive member and the abutment and with at least one drive sensor, which depending on the force applied to the drive member against the force of the spring and an associated relative movement between the drive member and the abutment transmit a sensor signal to a control unit.
  • the drive element sensor depending on the application of force to the drive element, a force-dependent sensor signal is generated, which is evaluated by the control unit for actuating an actuator.
  • the object of the invention is to provide an improved lock for a motor vehicle with a closing device.
  • it is an object of the invention To provide a lock for a motor vehicle with a closing device which can be adapted to the individual requirements of a lock, preferably providing the most realistic possible way of detecting a deviation in a control variable.
  • a lock for a motor vehicle, having a locking mechanism consisting of a rotary latch and at least one pawl, a pulling device with an electric drive, the locking device by means of the pulling device from an opening position , in particular a pre-locking position, can be converted into at least one main locking position and a control unit for the closing drive, whereby a closing process can be prevented depending on a measured variable of the closing drive and the closing process can be prevented depending on a definable deviation from a setpoint curve.
  • a setpoint curve tuned to the motor vehicle which can be stored in the control unit, for example by calibrating the lock in relation to the loads actually present in the motor vehicle, so that a reference value for calculating or determining a deviation from the setpoint curve can be provided.
  • the closing process can then be controlled depending on the definable or predefinable deviation from the setpoint curve. If the measured variable deviates from the setpoint curve beyond the definable deviation of the setpoint curve, the closing process can be interrupted. A deviation can occur, for example, if a motor vehicle side door is closed and an object gets between the door and the frame of the motor vehicle. In this case, the closing process can be interrupted or a reversal of the closing process can be initiated. By preventing the closing process according to the invention and in particular by establishing a deviation from the setpoint curve, control of the closing process can be provided with a maximum of operational reliability.
  • Various locks and actuating elements can be used as a lock for a motor vehicle.
  • the lock can be used as a compact unit, for example in a side door, sliding door or in the area of flaps or the lids or covers are used.
  • pivotable or slidable must be secured to ordered components on the motor vehicle to operate the motor vehicle.
  • hood locks, auxiliary locks, such as in vans can be used in combination with a closing device.
  • a locking mechanism in a motor vehicle has a rotary latch and at least one pawl, the rotary latch being lockable in a latching position by means of the locking pawl.
  • Two-stage locking mechanisms consisting of a pre-locking and a main locking are used, as are systems with one or two pawls.
  • a release lever acts on the locking mechanism, where in the release lever, for example, by a pivoting movement which disengages one or more pawls from the catch.
  • the Auslbücherhe bel is preferably pivotally movable in the motor vehicle lock and before given in a housing and / or a lock case of the motor vehicle lock together with the locking mechanism.
  • the closing device has an electromotive drive and can be arranged directly in the lock or as a separate module, for example by means of a Bow denzug or a lever system interact directly or indirectly with the catch Z.
  • an electric motor drive with a corresponding gear is designed as a separate module and the separate module is connected to a lock housing of the lock, for example by means of a Bowden cable.
  • the Bowden cable core can then be connected, for example, to a closing pawl, the closing pawl acting directly on the rotary latch.
  • the closing pawl is then pivotally arranged in the lock, in such a way that the closing pawl can be brought into engagement with the rotary latch via the closing path.
  • the closing device is integrated directly on the lock or even in the lock, it is conceivable, for example, that the electric drive and, for example, a torque converter, for example in the form of a transmission, are directly connected to the Catch is connected.
  • an electric motor can interact with a spindle drive Z , the spindle drive moving the closing pawl.
  • the closing pawl can be arranged in the lock so that it can be moved in the lock in such a way that the closing pawl can be brought into engagement with the rotary latch via the closing path.
  • the closing device transfers the locking mechanism from an open position to a main detent position.
  • the locking mechanism is preferably transferred from a pre-locking position to an over-stroke position, so that the pawl can securely engage in the main locking position of the rotary latch.
  • a control unit is connected to the electric drive of the closing device and is at the same time connected to at least one sensor, for example a microswitch. ter or Hall sensor, in connection.
  • the sensor can detect a rotary movement of the rotary latch, a position of the locking mechanism and / or a position of the closing device.
  • the control unit can influence the closing process. In particular, when the main catch position or an overstroke position is reached, the control unit controls the electric drive in such a way that further closing is prevented or the drive is reversed.
  • a measured variable can be a sensor signal, but a current consumption of the electric drive, a rotational speed of the electric drive and / or a voltage curve, for example of a Hall sensor of one of the pulling devices, can also serve as the measured variable.
  • the measured variable can then be used to control the closing process.
  • the control unit can be used to prevent the closing process from being stopped or to cancel the closing process.
  • the measurement size difference is thus a measure for controlling the pulling process.
  • a setpoint curve for a rotational speed and / or a current uptake of the electric drive is kept in the control unit, in particular stored.
  • a setpoint curve can be determined, for example, by calibrating the motor vehicle lock in relation to the real requirements in the use of the lock in the motor vehicle.
  • This setpoint curve can be stored in the control unit for a speed of the electric motor of the electric drive and / or for a current consumption of the motor of the electric drive.
  • This setpoint curve then forms the measure or the basis for determining the deviation.
  • the current consumption of the motor can be detected directly by the control unit, since the control unit provides the current for the operation of the electric drive.
  • the speed of the motor can be detected, for example, by means of a rotary encoder, so that an immediate determination of the deviation is available in the control unit.
  • the encoder can, for example, be arranged directly on the motor and connected to the control unit.
  • the setpoint curve is not to be understood directly as a line, but can have a scattering range or, for example, a current fluctuation during the closing. It is essential for this, however, that the deviation deviates significantly from the setpoint curve, the measured variable difference being adaptable to a switching threshold, an interruption of the closing process being initiated when a switching threshold is reached.
  • the speed may decrease, so that a switching threshold for a speed is reached, which in turn serves as a measure or measurement variable for interrupting the pulling process.
  • the closing device has a drive member, in particular a Bowden cable, and a Has abutment, with at least one spring between the drive member and the abutment and a drive member sensor, wherein by means of the drive member sensor an application of force to the drive member, in particular a voltage, can be detected.
  • a drive member can be ke as such, as is disclosed in DE 10 2018 106 046.5, the disclosure content of this document is hereby declared the disclosure content of the present invention.
  • a setpoint curve can also be determined and stored for the voltage curve on the drive element, so that a closing process can be reversed in the event of a deviation from the setpoint curve. The invention is thus based on the fact that a setpoint curve can be determined as a function of a setpoint curve or a measured variable for an ideal closing process and can be stored as a reference curve in the control unit.
  • the closing process depending on a current difference and / or a speed difference and / or a voltage difference as a deviation from the setpoint curve can be prevented, there is an advantageous embodiment of the invention.
  • the setpoint curve and, for example, a setpoint curve of the current profile during the closing process one can Switching threshold can be determined, when reached the deviation from the setpoint curve is so large that an irregular closing process can be assumed. This can be caused in particular by pinching or damage, for example, to a door or flap to be closed.
  • a maximum of operational safety is thus achieved, so that jamming can be prevented even when the motor vehicle door is closed fully automatically.
  • a rotary latch sensor wherein a closed position of the rotary latch can be tuned by means of the rotary latch sensor, there is a further embodiment variant of the invention.
  • a rotary latch sensor can also be used to detect an exact position of the rotary latch. This can be advantageous in particular for pinching, since a pinch or risk of injury to an operator can be excluded only when the gap, for example, the door closed by the closing drive, is very small.
  • an anti-trap protection can be activated or deactivated.
  • the activation or deactivation of the anti-trap protection depending on the rotary latch sensor can be advantageous.
  • the end position of the components of the motor vehicle to be tightened is reached, very high sealing forces that can deviate from the real or ideal values of the closing process, depending on the weather conditions.
  • the seal can offer a higher resistance at very low temperatures, so that higher sealing forces have to be overcome.
  • a point in time or a position of the rotary latch can be determined, after which an anti-trap protection can be deactivated, with a danger of an operator being caught and / or injuring can be excluded with great probability from this point in time.
  • the signal of the rotary latch sensor can be generated at a point in time when the closing process has almost ended. For example, a door gap of less than 3 millimeters can serve as a measure for deactivating the anti-trap protection.
  • the current and / or voltage supply to the closing device is switched off or the closing device is reversed.
  • the pulling device which may have a self-locking gear, for example, reversing the pulling device may be advantageous in order to be able to open the door or flap again when it is jammed. Switching off the voltage and / or power supply can then be advantageous if, after the loss of the power supply, for example, the closing device automatically disengages from the rotary latch.
  • At least one switching means can be provided for determining an opening position and / or a latching position and / or a main latching position and / or an overstroke position.
  • additional security can be provided during the closing process.
  • the positions of the locking mechanism can be determined precisely, so that a very precise detection of a setpoint curve and thus precise control of the closing device is possible.
  • An opening position for example, as described in DE 10 2017 101 704.6, may already exist well before a latching position, namely when, for example, the closing process is only initiated in a force-locking manner and only after reaching a pre-latching position it becomes a positive fit.
  • the combination advantageously allows the setpoint curve to be precisely matched to the closing process by means of the switching means.
  • the switching means can advantageously be a microswitch or a Hall sensor or an angle encoder.
  • different sensors can be advantageous, with, for example, a switching means on a locking part, such as a pawl, providing a secure detection of the locking pin position.
  • a rotary encoder can be used for example for detecting the pivoting movement of the rotary case but also for determining a force occurring in the direction of pulling.
  • a switching threshold can be determined as a function of the setpoint curve. A switching threshold is so far away from the setpoint curve or the setpoint range of the measured variable that a clear signal can be provided to interrupt the closing process.
  • a switching threshold can be achieved, for example, by falling below a motor speed of the electric drive, so that a means for detecting a pinching can be provided and pinching protection is available for the operator of the motor vehicle. Operational safety can thus be improved and the components of the motor vehicle lock or the closing device can be protected from damage.
  • Figure 1 is a schematic representation of part of a lock for a motor vehicle with a closing device and a ratchet in engagement with a lock holder, a pre-locking position of the ratchet being reproduced,
  • Fig. 2 is a current-time diagram with a schematically represented current curve during a closing process, the upper diagram additionally showing a current difference during the closing process which is almost complete, the lower current-time diagram shows a current flow which is shown when an active on anti-pinch protection reproduces the current profile when a pinch is detected,
  • Fig. 3 is a speed-time diagram with a Dar position of a speed curve during egg nes normal closing process in the upper diagram and in the lower diagram, the representation of an interrupted closing process after a detection of a pinching, where the ascertainable speed difference for switching off the electric drive also if it was drawn in the lower diagram, and
  • FIG. 4 shows a voltage-time curve as a diagram in a normal closing process, the voltage curve of a spring-Hall sensor being shown in the form of an evaluation of the voltage curve.
  • the upper one Diagram shows a voltage curve or a differential voltage, which detects a pinching and reverses the motor or switches the motor off and in the lower diagram shows a voltage curve of a spring-Hall sensor when detecting a pinching with an activated pinching protection, whereby the voltage difference was also plotted graphically.
  • FIG. 1 A part of a motor vehicle lock 1 is shown in FIG. Shown is a locking mechanism 2 consisting of a rotary latch 3, a preliminary catch S pawl 4 and a main ratchet pawl 5.
  • the rotary latch is pivotally mounted about an axis 6 and the pawls 4, 5 about an axis 7. To achieve a closed position, the catch can be pivoted about the axis 6 in the direction of arrow P, for example in a lock plate of the motor vehicle lock 1.
  • the pre-locking position is shown in FIG. 1, the pre-locking S pawl being engageable with a locking contour 8 on the rotary latch.
  • a closing pawl 10 is pivotable on a closing path Z in the motor vehicle lock.
  • the closing path Z is shown in FIG. 1 as a dash-dotted line and as an arc. shown is also the lock holder 14, wherein the Schlosshal tellung in the first position S ter 14 is already engaged with the catch in engagement.
  • the closing pawl 10 as well as the rotary latch 3 each have a contour 15, 16 which allow the rotary latch 3 to be moved in the direction of the arrow P and along the closing path Z.
  • the Bowden cable core 13 is actuated by means of the electric drive 17, so that the rotary latch 3 can be transferred from a pre-latching position into a main latching position.
  • Figure 1 shows the Vorrastposi tion, the Vorrast S pawl 4 with the locking contour 8 is engaged.
  • the main catch S pawl 5 engages with the catch contour 8.
  • the invention preferably relates to the closing of the locking mechanism from the pre-locking position to the main locking position.
  • the pulling drive 9 already engages with the rotary latch 3 before the advance engagement, and it is also conceivable that the closing operation extends to an overstroke position, that is to say a position beyond the main catch.
  • the diagrams described below exemplify the closing process from a pre-locking position VR to a main locking position HR.
  • a switching means 18 is arranged, for example, on the rotary latch 3 and can be, for example, a microswitch, which together with a contour on the rotary latch 3 acts so that, for example, an opening, latching or overstroke position can be detected.
  • several switching means for detecting the opening, latching and / or overstroke positions can also be arranged on the locking mechanism.
  • FIG. 2 shows a current curve profile of a closing process from a pre-locking position VR to a main locking position HR.
  • the diagram shows the course of the current consumption of the electric drive 17 over time.
  • An ideal current curve is shown. The real values fluctuate around this ideal curve, but a tolerance window around the ideal course can be determined.
  • the current consumption then has an increasing region 22, the rising area 22 is due to the fact that the electric drive 17 must close the rotary latch 3 against the pressure of the door seal.
  • the main catch position HR When the main catch position HR is reached, the main catch position HR can be detected, for example, by means of the switching means 18, 19, 20, so that the electrical drive 17 can be switched off by means of the controller S.
  • the current consumption drops sharply in the diagram.
  • the upper diagram in FIG. 2 thus shows the ideal one Course of a current curve via a closing process. If it now occurs due to, for example, a jamming of an object between a door and a door seal, for example, that the electric drive 17 moves the rotary latch 3 against the jammed object, the current consumption of the electric drive 17 increases sharply, as is the case with this is shown with the dashed area 23 in the upper diagram of FIG.
  • This excessive current consumption can be detected by the controller S, the controller S, based on a stored setpoint curve 24 in the controller, the controller S detecting a current difference D ⁇ , as a result of which a measured variable is available for switching off the electric drive 17. If the current consumption of the electric drive exceeds the setpoint curve 24 or the usual fluctuation range of the current consumption of the electric drive 17 by a determinable amount D ⁇ of a current difference D ⁇ , this current difference D ⁇ can be taken as a measure for pinching and the control S can prevent or close the closing process interrupt. The current can be switched off, as is shown by the broken line in the upper diagram of FIG. 2. But it is also conceivable that a reversing of the electric drive 17 is initiated so that the closing device 9 releases the catch 3 again.
  • a time ti is entered as a dashed line in FIG.
  • the time ti is a determinable time in which an anti-trap protection is switched on, whereas during a period t 2 the anti-trap can be switched off.
  • This can be particularly advantageous if, for example, large forces are required to close the locking mechanism 1, so that large current differences occur in the period t 2 .
  • a closed door can also be in a position that has already been closed to such an extent during the period t 2 that it is no longer possible for an operator to pinch it. These are, for example, door gaps of less than 3 millimeters.
  • the current curve progression corresponds to the current curve progression which occurs if a pinching is detected during the closing.
  • a large current difference Differ occurs, which the control S recognizes as a deviation from the setpoint curve 24, so that the electric drive 17 can be switched off.
  • the aforementioned monitoring of the current consumption of the electric drive 17 thus forms a safe means for detecting a jamming, as a result of which a maximum of safety can be provided during the closing process.
  • the engine speed n is shown over time t. Again, an idealized setpoint curve 25 is shown. Here too, of course, there can be a scattering range or fluctuations around the setpoint curve 25, which are tolerably recognized by the control Sals in a tolerance range.
  • the speed n increases at the beginning of the closing process, which is reflected in around a linear region 26 connects. Then the speed drops in a falling region 27, which is due to the resistance of a door or flap seal.
  • a time period ti is again entered, for which anti-trapping protection can be present. This means that the pinch protection is switched on during the period ti, whereas in the period t 2 there is no longer any pinch protection.
  • FIG. 4 shows the course of a voltage over time and again over the period from a pre-locking position to a main locking position.
  • a voltage signal can be detectable, for example, by a Hall sensor 20 on a traction device 12.
  • DE 10 2017 101 704.6 which is hereby fully explained as to the disclosure content of the application.
  • setpoint curve 28 as the ideal voltage curve, the ideal voltage curve being stored in the control.
  • the storage of the setpoint curves 24, 25, 28 can include can be determined, for example, when calibrating the sensors or the drives 17.
  • a voltage difference UU can again be recorded here, which in turn represents a measure of a pinching during the closing process. If there is too great a voltage difference ⁇ U, the controller S can abort the closing process and, for example, initiate a reversal of the electric drive 17.
  • the switching threshold 29, to which a shutdown of the closing process can be initiated, can be determined as a function of the calibrate, that is, a calibration of the control curve 24, 25, 28 and / or the electric drive 17 and as a comparative variable in the control S saved.

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Abstract

L'invention concerne une serrure (1) pour véhicule à moteur, comprenant un mécanisme d'encliquetage (2) composé d'un pêne pivotant (3) et d'au moins un cliquet d'arrêt (4), d'un dispositif de fermeture (9) pourvu d'un entraînement électrique (17), le mécanisme d'encliquetage (2) pouvant être amené d'une position de pré-verrouillage à une position de verrouillage principal au moyen du dispositif de fermeture (9), et d'une unité de commande (S) pour l'entraînement de fermeture (9), un processus de fermeture pouvant être empêché en fonction d'une grandeur de mesure (I, U, n) de l'entraînement de fermeture (9). Selon l'invention, ce processus de fermeture peut être empêché en fonction d'un écart déterminable (ΔI, ΔU, Δn) par rapport à une courbe de valeurs de consigne (24, 25, 28).
PCT/DE2019/100600 2018-07-05 2019-06-27 Serrure de véhicule à moteur munie d'un dispositif de fermeture Ceased WO2020007409A1 (fr)

Priority Applications (2)

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US17/256,086 US11970887B2 (en) 2018-07-05 2019-06-27 Lock comprising a closing device for a motor vehicle
EP19742279.3A EP3818223B1 (fr) 2018-07-05 2019-06-27 Serrure de véhicule à moteur munie d'un dispositif de fermeture

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DE102018116285.5 2018-07-05
DE102018116285.5A DE102018116285A1 (de) 2018-07-05 2018-07-05 Schloss mit Zuzieheinrichtung für ein Kraftfahrzeug

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WO2020007409A1 true WO2020007409A1 (fr) 2020-01-09

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US (1) US11970887B2 (fr)
EP (1) EP3818223B1 (fr)
DE (1) DE102018116285A1 (fr)
WO (1) WO2020007409A1 (fr)

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US11619078B2 (en) 2018-07-19 2023-04-04 Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft Motor vehicle lock

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CN113363940A (zh) * 2021-06-02 2021-09-07 宁波亚大安全设备制造有限公司 一种电子锁双重保护方法及系统

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US20210270065A1 (en) 2021-09-02
EP3818223B1 (fr) 2022-04-06
DE102018116285A1 (de) 2020-01-09
US11970887B2 (en) 2024-04-30
EP3818223A1 (fr) 2021-05-12

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